Ball wheel caster



FIG. 1 shows an exploded view of a ball wheel caster.

FIG. 2 shows a perspective view of a ball wheel caster.

FIG. 3 shows a front view of the ball wheel caster.

FIG. 4 shows a rear view of the ball wheel caster.

FIG. 5 shows a right side view of the ball wheel caster.

FIG. 6 shows a left side view of the ball wheel caster.

FIG. 7 shows a top plan view of the ball wheel caster; and,

FIG. 8 shows a bottom plan view of the ball wheel caster. 

CLAIM The ornamental design for a ball wheel caster, as shown and described. 